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11210222021 = 711031532917
BaseRepresentation
bin10100111000010111…
…00110100111000101
31001221021000021122012
422130023212213011
5140424304101041
65052213544005
7544541213015
oct123413464705
931837007565
1011210222021
1148329727a9
12220a345005
13109865058b
14784b93c45
154592673eb
hex29c2e69c5

11210222021 has 8 divisors (see below), whose sum is σ = 11478489984. Its totient is φ = 10945020240.

The previous prime is 11210221999. The next prime is 11210222027. The reversal of 11210222021 is 12022201211.

11210222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11210222021 is a prime.

It is a super-2 number, since 2×112102220212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210221987 and 11210222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759146 + ... + 773771.

It is an arithmetic number, because the mean of its divisors is an integer number (1434811248).

Almost surely, 211210222021 is an apocalyptic number.

It is an amenable number.

11210222021 is a deficient number, since it is larger than the sum of its proper divisors (268267963).

11210222021 is a wasteful number, since it uses less digits than its factorization.

11210222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533091.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11210222021 its reverse (12022201211), we get a palindrome (23232423232).

The spelling of 11210222021 in words is "eleven billion, two hundred ten million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 71 103 7313 1532917 108837107 157890451 11210222021